class Circle:

    def SetRadius(self,radius):
        self.radius = radius
    def Area(self):
        return 3.14*self.radius*self.radius

if __name__ =="__main__":
    c1 = Circle()
    c2 = Circle()
    c1.SetRadius(5)
    c2.SetRadius(10)
    print("面积：%.1f" % (c1.Area()))
    print("面积：%.1f" % (c2.Area()))
    if(c1.Area()>=c2.Area()):
        print("True")
    else:
        print("False")
    print("半径为 {} 的圆被销毁".format(c1.radius))
    print("半径为 {} 的圆被销毁".format(c2.radius))

